networkd: netdev - introduce vtable for netdev kinds

Split each netdev kind into its own .h/.c.

1 files changed, 0 insertions, 569 deletions

diff --git a/src/network/networkd-tunnel.c b/src/network/networkd-tunnel.c
deleted file mode 100644
index 5a244f61b0..0000000000
--- a/src/network/networkd-tunnel.c
+++ /dev/null
@@ -1,569 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-    This file is part of systemd.
-
-    Copyright 2014 Susant Sahani <susant@redhat.com>
-
-    systemd is free software; you can redistribute it and/or modify it
-    under the terms of the GNU Lesser General Public License as published by
-    the Free Software Foundation; either version 2.1 of the License, or
-    (at your option) any later version.
-
-    systemd is distributed in the hope that it will be useful, but
-    WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-    Lesser General Public License for more details.
-
-    You should have received a copy of the GNU Lesser General Public License
-    along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <netinet/ether.h>
-#include <arpa/inet.h>
-#include <net/if.h>
-#include <linux/ip.h>
-#include <linux/if_tunnel.h>
-
-#include "sd-rtnl.h"
-#include "networkd.h"
-#include "network-internal.h"
-#include "util.h"
-#include "missing.h"
-#include "conf-parser.h"
-
-
-static int netdev_fill_ipip_rtnl_message(Link *link, sd_rtnl_message *m) {
-        NetDev *netdev;
-        int r;
-
-        assert(link);
-        assert(link->network);
-        assert(link->network->tunnel);
-        assert(m);
-
-        netdev = link->network->tunnel;
-
-        assert(netdev->family == AF_INET);
-
-        r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IFNAME, attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        if(netdev->mtu) {
-                r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
-                if (r < 0) {
-                        log_error_netdev(netdev,
-                                         "Could not append IFLA_MTU attribute: %s",
-                                         strerror(-r));
-                        return r;
-                }
-        }
-
-        if (netdev->mac) {
-                r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
-                if (r < 0) {
-                        log_error_netdev(netdev,
-                                         "Colud not append IFLA_ADDRESS attribute: %s",
-                                         strerror(-r));
-                    return r;
-                }
-        }
-
-        r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_LINKINFO attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
-                                                 netdev_kind_to_string(netdev->kind));
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_INFO_DATA attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_LINK attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &netdev->local.in);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_LOCAL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &netdev->remote.in);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_REMOTE attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, netdev->ttl);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_TTL  attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_close_container(m);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_INFO_DATA attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_close_container(m);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_LINKINFO attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        return r;
-}
-
-static int netdev_fill_sit_rtnl_message(Link *link, sd_rtnl_message *m) {
-        NetDev *netdev;
-        int r;
-
-        assert(link);
-        assert(link->network);
-        assert(link->network->tunnel);
-        assert(m);
-
-        netdev = link->network->tunnel;
-
-        assert(netdev->family == AF_INET);
-
-        r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IFNAME, attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        if(netdev->mtu) {
-                r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
-                if (r < 0) {
-                        log_error_netdev(netdev,
-                                         "Could not append IFLA_MTU attribute: %s",
-                                         strerror(-r));
-                        return r;
-                }
-        }
-
-        if (netdev->mac) {
-                r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
-                if (r < 0) {
-                        log_error_netdev(netdev,
-                                         "Colud not append IFLA_ADDRESS attribute: %s",
-                                         strerror(-r));
-                    return r;
-                }
-        }
-
-        r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_LINKINFO attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
-                                                 netdev_kind_to_string(netdev->kind));
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_INFO_DATA attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_LINK attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &netdev->local.in);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_LOCAL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &netdev->remote.in);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_REMOTE attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TOS, netdev->tos);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_TOS attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, netdev->tunnel_pmtudisc);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_PMTUDISC attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_close_container(m);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_INFO_DATA attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_close_container(m);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_LINKINFO attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        return r;
-}
-
-static int netdev_fill_ipgre_rtnl_message(Link *link, sd_rtnl_message *m) {
-        NetDev *netdev;
-        int r;
-
-        assert(link);
-        assert(link->network);
-        assert(link->network->tunnel);
-        assert(m);
-
-        netdev = link->network->tunnel;
-
-        assert(netdev->family == AF_INET);
-
-        r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IFNAME, attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        if(netdev->mtu) {
-                r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
-                if (r < 0) {
-                        log_error_netdev(netdev,
-                                         "Could not append IFLA_MTU attribute: %s",
-                                         strerror(-r));
-                        return r;
-                }
-        }
-
-        if (netdev->mac) {
-                r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
-                if (r < 0) {
-                        log_error_netdev(netdev,
-                                         "Colud not append IFLA_ADDRESS attribute: %s",
-                                         strerror(-r));
-                    return r;
-                }
-        }
-
-        r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_LINKINFO attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
-                                                 netdev_kind_to_string(netdev->kind));
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_INFO_DATA attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_GRE_LINK attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_LOCAL, &netdev->local.in);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_GRE_LOCAL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_REMOTE, &netdev->remote.in);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_GRE_REMOTE attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, netdev->ttl);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_GRE_TTL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_u8(m, IFLA_GRE_TOS, netdev->tos);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_GRE_TOS attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_close_container(m);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_INFO_DATA attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_close_container(m);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_LINKINFO attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        return r;
-}
-
-static int netdev_fill_vti_rtnl_message(Link *link, sd_rtnl_message *m) {
-        NetDev *netdev;
-        int r;
-
-        assert(link);
-        assert(link->network);
-        assert(link->network->tunnel);
-        assert(m);
-
-        netdev = link->network->tunnel;
-
-        assert(netdev->family == AF_INET);
-
-        r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IFNAME, attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        if(netdev->mtu) {
-                r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
-                if (r < 0) {
-                        log_error_netdev(netdev,
-                                         "Could not append IFLA_MTU attribute: %s",
-                                         strerror(-r));
-                        return r;
-                }
-        }
-
-        if (netdev->mac) {
-                r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
-                if (r < 0) {
-                        log_error_netdev(netdev,
-                                         "Colud not append IFLA_ADDRESS attribute: %s",
-                                         strerror(-r));
-                    return r;
-                }
-        }
-
-        r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_LINKINFO attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
-                                                 netdev_kind_to_string(netdev->kind));
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_INFO_DATA attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_u32(m, IFLA_VTI_LINK, link->ifindex);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_LINK attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_LOCAL, &netdev->local.in);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_LOCAL attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_REMOTE, &netdev->remote.in);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_IPTUN_REMOTE attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_close_container(m);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_INFO_DATA attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_rtnl_message_close_container(m);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not append IFLA_LINKINFO attribute: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        return r;
-}
-
-int netdev_create_tunnel(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
-        _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
-        int r;
-
-        assert(netdev);
-        assert(netdev->ifname);
-        assert(netdev->manager);
-        assert(netdev->manager->rtnl);
-        assert(link);
-        assert(link->network);
-        assert(link->network->tunnel == netdev);
-
-        r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not allocate RTM_NEWLINK message: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        switch(netdev->kind) {
-        case NETDEV_KIND_IPIP:
-                r = netdev_fill_ipip_rtnl_message(link, m);
-                if(r < 0)
-                        return r;
-                break;
-        case NETDEV_KIND_SIT:
-                r = netdev_fill_sit_rtnl_message(link, m);
-                if(r < 0)
-                        return r;
-                break;
-        case NETDEV_KIND_VTI:
-                netdev_fill_vti_rtnl_message(link, m);
-                if(r < 0)
-                        return r;
-                break;
-        case NETDEV_KIND_GRE:
-                r = netdev_fill_ipgre_rtnl_message(link, m);
-                if(r < 0)
-                        return r;
-                break;
-        default:
-                return -ENOTSUP;
-        }
-
-        r = sd_rtnl_call_async(netdev->manager->rtnl, m, callback, link, 0, NULL);
-        if (r < 0) {
-                log_error_netdev(netdev,
-                                 "Could not send rtnetlink message: %s", strerror(-r));
-                return r;
-        }
-
-        link_ref(link);
-
-        log_debug_netdev(netdev, "Creating tunnel netdev: %s",
-                         netdev_kind_to_string(netdev->kind));
-
-        netdev->state = NETDEV_STATE_CREATING;
-
-        return 0;
-}
-
-int config_parse_tunnel_address(const char *unit,
-                                const char *filename,
-                                unsigned line,
-                                const char *section,
-                                unsigned section_line,
-                                const char *lvalue,
-                                int ltype,
-                                const char *rvalue,
-                                void *data,
-                                void *userdata) {
-        NetDev *n = userdata;
-        union in_addr_union *addr = data;
-        int r;
-
-        assert(filename);
-        assert(lvalue);
-        assert(rvalue);
-        assert(data);
-
-        r = net_parse_inaddr(rvalue, &n->family, addr);
-        if (r < 0) {
-                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                           "Tunnel address is invalid, ignoring assignment: %s", rvalue);
-                return 0;
-        }
-
-        return 0;
-}